text: In 18 years since its first appearance in the Vietnamese market, Vios has built an image, asserting its position as the "national" sedan model?
classes:  No, to be the "national" sedan as today, Vios has been building its image for 18 years in the Vietnamese market.  Also, to be the "national" sedan as today, Vios has been building its image for 18 years in the Vietnamese market.  Yes, to be the "national" sedan as today, Vios has been building its image for 18 years in the Vietnamese market.